This 1 wire alternator wiring diagram graphic have been published. You are able to grab this excellent photo to your laptop, mini netbook or desktop pc. You also can book mark this site to you favourite social bookmarking sites.. Sep 20, 2011 · Re: Need wiring diagram for GM one wire alternator Post by Boss Hog » Sat Sep 17, 2011 11:48 pm Josh, It is only one wire If you are using the original wires and it was 6 volt, Hook the battery wire and the L wire off the regulator to the alt. Simple.. Features internal fans and one-wire configuration. Click here to view wiring diagram and output graph. AL-9101-A-NS: 35 amp, 1-wire Lightweight billet aluminum Radius Tooth HTD high output alternator pulley. 1" wide for use with 20mm Radius Tooth Belts. Uses BG-9108-18 or 22 Belt guide. BG-9108-A.